The number of neutrons present in a nitrogen atom is ___.
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Which of the following is false?
What is C12H22O11 also known as
NaCl is a salt which is made up of
In the Modern Periodic Table elements present in the same period will have the same
Which of the following causes damage to bridges, iron railings and all objects made of metals?
Non-metallic character increases from ____.
Which of the following metals does NOT react with cold or hot water?